1. Competent authorities shall, no later than six months prior to the date of application of Regulation (EU) No 600/2014, collect the necessary data, calculate and ensure publication of the details referred to in Article 13(5).

2. For the purposes of paragraph 1:

(a) the calculations shall be based on a six-month reference period commencing 18 months prior to the date of application of Regulation (EU) No 600/2014;

(b) the results of the calculations contained in the first publication shall be used until the results of the first regular calculations set out in Article 13(17) apply.

3. By derogation from paragraph 1, for all bonds, except ETCs and ETNs, competent authorities shall use their best endeavours to ensure publication of the results of the transparency calculations specified in paragraph 1(b)(i) of Article 13 no later than on the first day of the month preceding the date of application of Regulation (EU) No 600/2014, based on a reference period of three months commencing on the first day of the fifth month preceding the date of application of Regulation (EU) No 600/2014.